Lechimp\Dicto\Variables\Entities

Complexity

Total Complexity

6

Size/Duplication

Total Lines	44
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	2

Test Coverage

Coverage

100%

Importance

Changes	7
Bugs	0	Features	4

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	6	2
	id()	0	1	?
A	meaning()	0	3	1
A	compile()	0	7	1
A	eq_op()	0	8	2

<?php
/******************************************************************************
 * An implementation of dicto (scg.unibe.ch/dicto) in and for PHP.
 * 
 * Copyright (c) 2016 Richard Klees <richard.klees@rwth-aachen.de>
 *
 * This software is licensed under The MIT License. You should have received 
 * a copy of the license along with the code.
 */

namespace Lechimp\Dicto\Variables;

use Doctrine\DBAL\Query\Expression\ExpressionBuilder;

abstract class Entities extends Variable {
    public function __construct($name= null) {
        if ($name === null) {
            $name = ucfirst($this->id());
        }
        parent::__construct($name);
    }

    /**
     * Get an id for the type of entity.
     *
     * This must return a string without whitespaces.
     *
     * @return  string
     */
    abstract public function id();

    /**
     * @inheritdocs
     */
    public function meaning() {
        return $this->id();
    }

    /**
     * @inheritdocs
     */
    public function compile(ExpressionBuilder $builder, $table_name, $negate = false) {
        return $this->eq_op
            ( $builder
            , "$table_name.type"
            , $builder->literal($this->id())
            , $negate);
    }

    protected function eq_op(ExpressionBuilder $builder, $l, $r, $negate) {
        if (!$negate) {
            return $builder->eq($l, $r);
        }
        else {
            return $builder->neq($l, $r);
        }
    }
}